121020010 has 8 divisors (see below), whose sum is σ = 217836036. Its totient is φ = 48408000.

The previous prime is 121019999. The next prime is 121020019. The reversal of 121020010 is 10020121.

It can be written as a sum of positive squares in 2 ways, for example, as 118526769 + 2493241 = 10887^2 + 1579^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 121019975 and 121020002.

It is not an unprimeable number, because it can be changed into a prime (121020019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6050991 + ... + 6051010.

Almost surely, 2^121020010 is an apocalyptic number.

121020010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121020010 is a deficient number, since it is larger than the sum of its proper divisors (96816026).

121020010 is a wasteful number, since it uses less digits than its factorization.

121020010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12102008.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 121020010 is about 11000.9095078543. The cubic root of 121020010 is about 494.6360076181.

Adding to 121020010 its reverse (10020121), we get a palindrome (131040131).

The spelling of 121020010 in words is "one hundred twenty-one million, twenty thousand, ten".